Auchenoglanis occidentalis (Valenciennes, 1840)

Bubu

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Siluriformes \| Claroteidae \| Auchenoglanidinae
Synonyms	Pimelodus occidentalis, Auchenaspis occidentalis, Auchenoglanis biscutatus occidentalis, ... more
Common names	Catfish, Armoured catfish, Giraffe catfish, ... more

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Main reference

Risch, L.M. 2003. (Ref. 57126)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 70.0 cm SL male/unsexed; (Ref. 4967)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; pH range: 6.5 - 7.8; dH range: ? - 28

Climate / Range

Tropical; 21°C - 25°C (Ref. 2060)

Africa: present in most rivers of West Africa, Lake Chad, the entire Congo River system, the Nile, East African lakes, and the rivers Omo and Giuba.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 1; Dorsal soft rays (total): 7 - 8; Anal spines: 3 - 4; Anal soft rays: 7 - 8. Head large with heavily built body (Ref. 4967). Marbled or spotted gray, with a few black spots arranged in rows.

Inhabits lakes and large rivers (Ref. 4967). Occurs in shallow water with muddy bottom. Omnivore, feeds on plankton, mollusks, seeds and detritus (Ref. 13868). Oviparous (Ref. 205). Nested eggs are guarded by the male parent (Ref. 47642). Furthermore, the male plays host to eggs and young of Dinotopterus cunningtoni which takes advantage of the already prepared nest and feeds on the host brood (Ref. 49546). An example of interspecific brood care.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.3)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate vulnerability (38 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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